Merge tag 'upstream/2014.12.01'

[youtubedl] / youtube_dl / postprocessor / ffmpeg.py

diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index 8c5f7c43b75b17466a91a2b54c928ec8ca2298f3..9303b8378b8065d84ed2d064ab76aacb463ef6bf 100644 (file)
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+

 import os
 import subprocess
 import sys
 import os
 import subprocess
 import sys


@@ -6,11 +8,14 @@ import time
 
 from .common import AudioConversionError, PostProcessor
 
 
 from .common import AudioConversionError, PostProcessor
 

-from ..utils import (
-    check_executable,
+from ..compat import (

     compat_subprocess_get_DEVNULL,
     compat_subprocess_get_DEVNULL,

+)
+from ..utils import (

     encodeArgument,
     encodeFilename,
     encodeArgument,
     encodeFilename,

+    get_exe_version,
+    is_outdated_version,

     PostProcessingError,
     prepend_extension,
     shell_quote,
     PostProcessingError,
     prepend_extension,
     shell_quote,


@@ -25,36 +30,63 @@ class FFmpegPostProcessorError(PostProcessingError):
 class FFmpegPostProcessor(PostProcessor):
     def __init__(self, downloader=None, deletetempfiles=False):
         PostProcessor.__init__(self, downloader)
 class FFmpegPostProcessor(PostProcessor):
     def __init__(self, downloader=None, deletetempfiles=False):
         PostProcessor.__init__(self, downloader)

-        self._exes = self.detect_executables()
+        self._versions = self.get_versions()

         self._deletetempfiles = deletetempfiles
 
         self._deletetempfiles = deletetempfiles
 

+    def check_version(self):
+        if not self._executable:
+            raise FFmpegPostProcessorError('ffmpeg or avconv not found. Please install one.')
+
+        REQUIRED_VERSION = '1.0'
+        if is_outdated_version(
+                self._versions[self._executable], REQUIRED_VERSION):
+            warning = 'Your copy of %s is outdated, update %s to version %s or newer if you encounter any errors.' % (
+                self._executable, self._executable, REQUIRED_VERSION)
+            if self._downloader:
+                self._downloader.report_warning(warning)
+

     @staticmethod
     @staticmethod

-    def detect_executables():
+    def get_versions():

         programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
         programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']

-        return dict((program, check_executable(program, ['-version'])) for program in programs)
+        return dict((p, get_exe_version(p, args=['-version'])) for p in programs)

 
 

-    def _get_executable(self):
+    @property
+    def _executable(self):

         if self._downloader.params.get('prefer_ffmpeg', False):
         if self._downloader.params.get('prefer_ffmpeg', False):

-            return self._exes['ffmpeg'] or self._exes['avconv']
+            prefs = ('ffmpeg', 'avconv')

         else:
         else:

-            return self._exes['avconv'] or self._exes['ffmpeg']
+            prefs = ('avconv', 'ffmpeg')
+        for p in prefs:
+            if self._versions[p]:
+                return p
+        return None
+
+    @property
+    def _probe_executable(self):
+        if self._downloader.params.get('prefer_ffmpeg', False):
+            prefs = ('ffprobe', 'avprobe')
+        else:
+            prefs = ('avprobe', 'ffprobe')
+        for p in prefs:
+            if self._versions[p]:
+                return p
+        return None

 
     def _uses_avconv(self):
 
     def _uses_avconv(self):

-        return self._get_executable() == self._exes['avconv']
+        return self._executable == 'avconv'

 
     def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
 
     def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):

-        if not self._get_executable():
-            raise FFmpegPostProcessorError(u'ffmpeg or avconv not found. Please install one.')
+        self.check_version()

 
         files_cmd = []
         for path in input_paths:
             files_cmd.extend(['-i', encodeFilename(path, True)])
 
         files_cmd = []
         for path in input_paths:
             files_cmd.extend(['-i', encodeFilename(path, True)])

-        cmd = ([self._get_executable(), '-y'] + files_cmd
+        cmd = ([self._executable, '-y'] + files_cmd

                + [encodeArgument(o) for o in opts] +
                [encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
 
         if self._downloader.params.get('verbose', False):
                + [encodeArgument(o) for o in opts] +
                [encodeFilename(self._ffmpeg_filename_argument(out_path), True)])
 
         if self._downloader.params.get('verbose', False):

-            self._downloader.to_screen(u'[debug] ffmpeg command line: %s' % shell_quote(cmd))
+            self._downloader.to_screen('[debug] ffmpeg command line: %s' % shell_quote(cmd))

         p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         stdout, stderr = p.communicate()
         if p.returncode != 0:
         p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         stdout, stderr = p.communicate()
         if p.returncode != 0:


@@ -70,8 +102,8 @@ class FFmpegPostProcessor(PostProcessor):
 
     def _ffmpeg_filename_argument(self, fn):
         # ffmpeg broke --, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details
 
     def _ffmpeg_filename_argument(self, fn):
         # ffmpeg broke --, see https://ffmpeg.org/trac/ffmpeg/ticket/2127 for details

-        if fn.startswith(u'-'):
-            return u'./' + fn
+        if fn.startswith('-'):
+            return './' + fn

         return fn
 
 
         return fn
 
 


@@ -85,11 +117,12 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
         self._nopostoverwrites = nopostoverwrites
 
     def get_audio_codec(self, path):
         self._nopostoverwrites = nopostoverwrites
 
     def get_audio_codec(self, path):

-        if not self._exes['ffprobe'] and not self._exes['avprobe']:
-            raise PostProcessingError(u'ffprobe or avprobe not found. Please install one.')
+
+        if not self._probe_executable:
+            raise PostProcessingError('ffprobe or avprobe not found. Please install one.')

         try:
             cmd = [
         try:
             cmd = [

-                self._exes['avprobe'] or self._exes['ffprobe'],
+                self._probe_executable,

                 '-show_streams',
                 encodeFilename(self._ffmpeg_filename_argument(path), True)]
             handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE)
                 '-show_streams',
                 encodeFilename(self._ffmpeg_filename_argument(path), True)]
             handle = subprocess.Popen(cmd, stderr=compat_subprocess_get_DEVNULL(), stdout=subprocess.PIPE)


@@ -122,7 +155,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
 
         filecodec = self.get_audio_codec(path)
         if filecodec is None:
 
         filecodec = self.get_audio_codec(path)
         if filecodec is None:

-            raise PostProcessingError(u'WARNING: unable to obtain file audio codec with ffprobe')
+            raise PostProcessingError('WARNING: unable to obtain file audio codec with ffprobe')

 
         uses_avconv = self._uses_avconv()
         more_opts = []
 
         uses_avconv = self._uses_avconv()
         more_opts = []


@@ -171,7 +204,7 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
                 extension = 'wav'
                 more_opts += ['-f', 'wav']
 
                 extension = 'wav'
                 more_opts += ['-f', 'wav']
 

-        prefix, sep, ext = path.rpartition(u'.') # not os.path.splitext, since the latter does not work on unicode in all setups
+        prefix, sep, ext = path.rpartition('.')  # not os.path.splitext, since the latter does not work on unicode in all setups

         new_path = prefix + sep + extension
 
         # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.
         new_path = prefix + sep + extension
 
         # If we download foo.mp3 and convert it to... foo.mp3, then don't delete foo.mp3, silly.


@@ -180,16 +213,16 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
 
         try:
             if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):
 
         try:
             if self._nopostoverwrites and os.path.exists(encodeFilename(new_path)):

-                self._downloader.to_screen(u'[youtube] Post-process file %s exists, skipping' % new_path)
+                self._downloader.to_screen('[youtube] Post-process file %s exists, skipping' % new_path)

             else:
             else:

-                self._downloader.to_screen(u'[' + self._get_executable() + '] Destination: ' + new_path)
+                self._downloader.to_screen('[' + self._executable + '] Destination: ' + new_path)

                 self.run_ffmpeg(path, new_path, acodec, more_opts)
         except:
                 self.run_ffmpeg(path, new_path, acodec, more_opts)
         except:

-            etype,e,tb = sys.exc_info()
+            etype, e, tb = sys.exc_info()

             if isinstance(e, AudioConversionError):
             if isinstance(e, AudioConversionError):

-                msg = u'audio conversion failed: ' + e.msg
+                msg = 'audio conversion failed: ' + e.msg

             else:
             else:

-                msg = u'error running ' + self._get_executable()
+                msg = 'error running ' + self._executable

             raise PostProcessingError(msg)
 
         # Try to update the date time for extracted audio file.
             raise PostProcessingError(msg)
 
         # Try to update the date time for extracted audio file.


@@ -197,30 +230,30 @@ class FFmpegExtractAudioPP(FFmpegPostProcessor):
             try:
                 os.utime(encodeFilename(new_path), (time.time(), information['filetime']))
             except:
             try:
                 os.utime(encodeFilename(new_path), (time.time(), information['filetime']))
             except:

-                self._downloader.report_warning(u'Cannot update utime of audio file')
+                self._downloader.report_warning('Cannot update utime of audio file')

 
         information['filepath'] = new_path
 
         information['filepath'] = new_path

-        return self._nopostoverwrites,information
+        return self._nopostoverwrites, information

 
 
 class FFmpegVideoConvertor(FFmpegPostProcessor):
 
 
 class FFmpegVideoConvertor(FFmpegPostProcessor):

-    def __init__(self, downloader=None,preferedformat=None):
+    def __init__(self, downloader=None, preferedformat=None):

         super(FFmpegVideoConvertor, self).__init__(downloader)
         super(FFmpegVideoConvertor, self).__init__(downloader)

-        self._preferedformat=preferedformat
+        self._preferedformat = preferedformat

 
     def run(self, information):
         path = information['filepath']
 
     def run(self, information):
         path = information['filepath']

-        prefix, sep, ext = path.rpartition(u'.')
+        prefix, sep, ext = path.rpartition('.')

         outpath = prefix + sep + self._preferedformat
         if information['ext'] == self._preferedformat:
         outpath = prefix + sep + self._preferedformat
         if information['ext'] == self._preferedformat:

-            self._downloader.to_screen(u'[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
-            return True,information
-        self._downloader.to_screen(u'['+'ffmpeg'+'] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) +outpath)
+            self._downloader.to_screen('[ffmpeg] Not converting video file %s - already is in target format %s' % (path, self._preferedformat))
+            return True, information
+        self._downloader.to_screen('[' + 'ffmpeg' + '] Converting video from %s to %s, Destination: ' % (information['ext'], self._preferedformat) + outpath)

         self.run_ffmpeg(path, outpath, [])
         information['filepath'] = outpath
         information['format'] = self._preferedformat
         information['ext'] = self._preferedformat
         self.run_ffmpeg(path, outpath, [])
         information['filepath'] = outpath
         information['format'] = self._preferedformat
         information['ext'] = self._preferedformat

-        return False,information
+        return False, information

 
 
 class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
 
 
 class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):


@@ -422,11 +455,11 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
         return cls._lang_map.get(code[:2])
 
     def run(self, information):
         return cls._lang_map.get(code[:2])
 
     def run(self, information):

-        if information['ext'] != u'mp4':
-            self._downloader.to_screen(u'[ffmpeg] Subtitles can only be embedded in mp4 files')
+        if information['ext'] != 'mp4':
+            self._downloader.to_screen('[ffmpeg] Subtitles can only be embedded in mp4 files')

             return True, information
         if not information.get('subtitles'):
             return True, information
         if not information.get('subtitles'):

-            self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed') 
+            self._downloader.to_screen('[ffmpeg] There aren\'t any subtitles to embed')

             return True, information
 
         sub_langs = [key for key in information['subtitles']]
             return True, information
 
         sub_langs = [key for key in information['subtitles']]


@@ -435,14 +468,14 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
 
         opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy']
         for (i, lang) in enumerate(sub_langs):
 
         opts = ['-map', '0:0', '-map', '0:1', '-c:v', 'copy', '-c:a', 'copy']
         for (i, lang) in enumerate(sub_langs):

-            opts.extend(['-map', '%d:0' % (i+1), '-c:s:%d' % i, 'mov_text'])
+            opts.extend(['-map', '%d:0' % (i + 1), '-c:s:%d' % i, 'mov_text'])

             lang_code = self._conver_lang_code(lang)
             if lang_code is not None:
                 opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
         opts.extend(['-f', 'mp4'])
 
             lang_code = self._conver_lang_code(lang)
             if lang_code is not None:
                 opts.extend(['-metadata:s:s:%d' % i, 'language=%s' % lang_code])
         opts.extend(['-f', 'mp4'])
 

-        temp_filename = filename + u'.temp'
-        self._downloader.to_screen(u'[ffmpeg] Embedding subtitles in \'%s\'' % filename)
+        temp_filename = filename + '.temp'
+        self._downloader.to_screen('[ffmpeg] Embedding subtitles in \'%s\'' % filename)

         self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
         os.remove(encodeFilename(filename))
         os.rename(encodeFilename(temp_filename), encodeFilename(filename))
         self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
         os.remove(encodeFilename(filename))
         os.rename(encodeFilename(temp_filename), encodeFilename(filename))


@@ -463,13 +496,13 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
             metadata['artist'] = info['uploader_id']
 
         if not metadata:
             metadata['artist'] = info['uploader_id']
 
         if not metadata:

-            self._downloader.to_screen(u'[ffmpeg] There isn\'t any metadata to add')
+            self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add')

             return True, info
 
         filename = info['filepath']
         temp_filename = prepend_extension(filename, 'temp')
 
             return True, info
 
         filename = info['filepath']
         temp_filename = prepend_extension(filename, 'temp')
 

-        if info['ext'] == u'm4a':
+        if info['ext'] == 'm4a':

             options = ['-vn', '-acodec', 'copy']
         else:
             options = ['-c', 'copy']
             options = ['-vn', '-acodec', 'copy']
         else:
             options = ['-c', 'copy']


@@ -477,7 +510,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
         for (name, value) in metadata.items():
             options.extend(['-metadata', '%s=%s' % (name, value)])
 
         for (name, value) in metadata.items():
             options.extend(['-metadata', '%s=%s' % (name, value)])
 

-        self._downloader.to_screen(u'[ffmpeg] Adding metadata to \'%s\'' % filename)
+        self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)

         self.run_ffmpeg(filename, temp_filename, options)
         os.remove(encodeFilename(filename))
         os.rename(encodeFilename(temp_filename), encodeFilename(filename))
         self.run_ffmpeg(filename, temp_filename, options)
         os.remove(encodeFilename(filename))
         os.rename(encodeFilename(temp_filename), encodeFilename(filename))


@@ -487,8 +520,8 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
 class FFmpegMergerPP(FFmpegPostProcessor):
     def run(self, info):
         filename = info['filepath']
 class FFmpegMergerPP(FFmpegPostProcessor):
     def run(self, info):
         filename = info['filepath']

-        args = ['-c', 'copy']
-        self._downloader.to_screen(u'[ffmpeg] Merging formats into "%s"' % filename)
+        args = ['-c', 'copy', '-map', '0:v:0', '-map', '1:a:0', '-shortest']
+        self._downloader.to_screen('[ffmpeg] Merging formats into "%s"' % filename)

         self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args)
         return True, info
 
         self.run_ffmpeg_multiple_files(info['__files_to_merge'], filename, args)
         return True, info
 


@@ -499,7 +532,7 @@ class FFmpegAudioFixPP(FFmpegPostProcessor):
         temp_filename = prepend_extension(filename, 'temp')
 
         options = ['-vn', '-acodec', 'copy']
         temp_filename = prepend_extension(filename, 'temp')
 
         options = ['-vn', '-acodec', 'copy']

-        self._downloader.to_screen(u'[ffmpeg] Fixing audio file "%s"' % filename)
+        self._downloader.to_screen('[ffmpeg] Fixing audio file "%s"' % filename)

         self.run_ffmpeg(filename, temp_filename, options)
 
         os.remove(encodeFilename(filename))
         self.run_ffmpeg(filename, temp_filename, options)
 
         os.remove(encodeFilename(filename))